FR2574092B1
(en )
1987-10-30
PROCESS FOR EXTRACTING GOLD FROM REBEL ORE
FR2641287B1
(en )
1992-10-09
PROCESS FOR EXTRACTING SCANDIUM FROM ORE
YU45324B
(en )
1992-05-28
Process for extracting copper from water solutions
RO77950A
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1982-03-24
METHOD FOR SEPARATING NH3 AND CO2 FROM CONTENT MIXTURES AND WATER
FR2526779B1
(en )
1985-11-22
BENTONITE ENRICHMENT PROCESS
JPS5753239A
(en )
1982-03-30
Method of selectively extracting gold
BE887387A
(en )
1981-06-01
PROCESS FOR THE RECOVERY OF COPPER AND ZINC FROM SULPHIDE ORES
FR2575748B1
(en )
1987-07-17
PROCESS FOR EXTRACTING CAROTENE FROM CARROTS AND CAROTENE CONCENTRATE OBTAINED
BE866937A
(en )
1978-11-13
PROCESS FOR EXTRACTING ZINC FROM AN ORE CONTAINING ZINC SULPHIDE
PT75899B
(en )
1985-10-04
METHOD OF SELECTIVELY EXTRACTING LEAD FROM LEAD SULFIDES
FR2521168B1
(en )
1988-10-28
IMPROVED PROCESS FOR REMOVING THE SKIMMING FROM A LEAD REFINING CRUCIBLE AND CRUCIBLE USING THE SAME
FR2568562B1
(en )
1990-05-25
PROCESS FOR THE EXTRACTION OF ZIRCONE FROM DISSOCIATED ZIRCON
FR2505874B1
(en )
1987-01-16
METHOD FOR INCREASING THE PERFORMANCE OF A METALLO-THERMAL PROCESS
BE880991A
(en )
1980-07-03
METHOD AND APPARATUS FOR EXTRACTING JUICE FROM PLANTS
BE891384A
(en )
1982-03-31
PROCESS FOR RECOVERING COPPER FROM ARSENICAL SLAGS
GB2115010B
(en )
1985-05-22
Method of producing lead bullion from sulphide concentrate
AU555840B2
(en )
1986-10-09
Process for selectively extracting lead from lead sulphides
LU79165A1
(en )
1978-11-03
PROCESS FOR EXTRACTING AND PURIFYING THE THEBAINE FROM PAPAVER BRACTEATUM
PT73676A
(en )
1981-10-01
PROCESS FOR EXTRACTING CAFEINE
FR2521453B1
(en )
1987-08-21
PROCESS FOR FLOATING RUTILE FROM RUTILE ORES
RO90309A2
(en )
1986-09-30
PROCESS FOR EXTRACTING COPPER FROM POOR NEGRITOS
DE3276910D1
(en )
1987-09-10
Process for the selective recovery of lead from lead sulphides
MA20922A1
(en )
1987-10-01
Method for separating iron from an organic solution containing uranium
BE884823A
(en )
1980-12-16
PROCESS FOR PRODUCING URANIUM FROM PHOSPHORITE
MA19484A1
(en )
1982-12-31
Method for extracting beta-carotene or glycerin from algae